Home / 56,697,011.34-85,057,920.12-18,362,400.54

Finding the Fourth Proportional to 56,697,011.34, 85,057,920.12 and 18,362,400.54

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Solution

The fourth proportional to 56,697,011.34, 85,057,920.12 and 18,362,400.54 is: 27,547,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,697,011.34 : 85,057,920.12 = 18,362,400.54 : x
  2. Step 2: Convert to fraction form
    56,697,011.34/85,057,920.12 = 18,362,400.54/x
  3. Step 3: Cross multiply
    56,697,011.34x = 85,057,920.12 × 18,362,400.54
  4. Step 4: Simplify right side
    56,697,011.34x = 1,561,867,598,342,765
  5. Step 5: Solve for x
    x = 1,561,867,598,342,765/56,697,011.34
  6. Step 6: Final answer
    x = 27,547,617.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.